Ali et al. (2012) reported a consanguineous Pakistani family in which 11 individuals had prelingual onset of profound hearing loss affecting all frequencies. There were no additional features or history of vestibular difficulties, but sophisticated testing of vestibular ... Ali et al. (2012) reported a consanguineous Pakistani family in which 11 individuals had prelingual onset of profound hearing loss affecting all frequencies. There were no additional features or history of vestibular difficulties, but sophisticated testing of vestibular function was not performed.